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Wed Jun 23, 2004 8:28 pm
1. what is the density of medication if the contents of a filled 2.00ml syringe weigh 2.75grams?
2. A pound of butter form a block about 6.5cm x 6.5cm x 12cm. Will the butter floats or sink in water? Prove your answer. Density of water is 1.00 g/ml. Solid floats when its density of the liquid is greater than the solid.
Thu Jun 24, 2004 10:32 pm
Density is mass / volume, so your answer is 2.75/2.00 in g/ml.
First get the problem into common units - 1lb = 0.454 kg = 454grams. The volume of the butter is 6.5 x 6.5 x 12 = 507cm^3 = 507 ml (1ml = 1cm^3). The density of the butter in g/ml is mass / volume = 454 / 507 = ... you can do this bit, then compare with density of water.
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